Note Block Lab

Note Block Lab

A complete Minecraft music studio in your browser. Open MIDI or NBS songs, recover notes from existing schematics, compose on a piano roll, and record on a live keyboard. Hear all 26 game sounds and watch the redstone light up in a real 3D build preview. Layer melody, bass, and percussion, verify the wiring, wrap the build into compact rows, and export Litematica, WorldEdit, or datapack files for your world.

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Note Block Lab is an experiment. It works, but it has not had its polish pass yet. See the other experiments

Compose. Play. Preview.

Your music, block by block.

3 tracks · 22 notes · 120 BPM

Arrangement

Drag the ruler to set the playhead · click a slim lane to edit that track
Tracks

Piano

Keys drop notes at the playhead, tick 0
Bass
Harp
Bell

Z–M and Q–U play two octaves · - / = shift octave · base C3